package com.example.myapplication;

import android.content.Intent;
import android.net.Uri;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.util.Log;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.Button;
import android.widget.Toast;

public class FirstActivity extends AppCompatActivity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);
        setContentView(R.layout.first_layout);
        Log.d("FirstActivity","onCreate execute");
        Button button1 = (Button)findViewById(R.id.button_1);
        button1.setOnClickListener(new View.OnClickListener(){
            @Override
            public void onClick(View v){
                //隐式intent
                //Intent intent = new Intent("com.example.myapplication.ACTION_START");
                //intent.addCategory("com.example.myapplication.MY_CATEGORY");
                //显式intent
                //Intent intent = new Intent(FirstActivity.this,SecondActivity.class);
                //startActivity(intent);
                //finish();销毁活动
                //Toast.makeText(FirstActivity.this,"you click Button1",Toast.LENGTH_SHORT).show();

//                Intent intent =  new Intent(Intent.ACTION_VIEW);
//                intent.setData(Uri.parse("http://www.baidu.com"));
//                startActivity(intent);
                //打电话
//                Intent intent = new Intent(Intent.ACTION_DIAL);
//                intent.setData(Uri.parse("tel:18865516201"));
//                startActivity(intent);

                //数据传递
//                String data = "Hello SecondActivity";
//                Intent intent = new Intent(FirstActivity.this,SecondActivity.class);
//                intent.putExtra("extra_data",data);
//                startActivity(intent);

                //返回数据给上一个活动
                Intent intent = new Intent(FirstActivity.this,SecondActivity.class);
                startActivityForResult(intent,1);
            }
        });
    }

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        getMenuInflater().inflate(R.menu.main,menu);
        return true;
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        switch (item.getItemId()){
            case R.id.add_item:
                Toast.makeText(this,"you click Add",Toast.LENGTH_SHORT).show();
                break;
            case R.id.remove_item:
                Toast.makeText(this,"you click Remove",Toast.LENGTH_SHORT).show();
                break;
            default:
        }
        return true;
    }

    @Override
    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
        switch (requestCode){
            case 1:if (resultCode == RESULT_OK){
                String returnedData = data.getStringExtra("data_return");
                Log.d("FirstActivity",returnedData);
            }
            break;
            default:

        }
    }


}
